28156898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9623}}^1$

素因数の和:9662

約数の個数: 32

約数和(自身を含む): 55434240

約数和(自身を除く): 27277342

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 9623, 19246, 67361, 105853, 134722, 182837, 211706, 365674, 740971, 1279859, 1481942, 2011207, 2559718, 4022414, 14078449, 28156898]

約数ペア:

[(1, 28156898), (2, 14078449), (7, 4022414), (11, 2559718), (14, 2011207), (19, 1481942), (22, 1279859), (38, 740971), (77, 365674), (133, 211706), (154, 182837), (209, 134722), (266, 105853), (418, 67361), (1463, 19246), (2926, 9623)]